Boris Ioganson — Network

1893 – 1930 · Age 36

1831 – 1898 · Age 67

1860 – 1900 · Age 39

1833 – 1882 · Age 48

1881 – 1962 · Age 81

1862 – 1942 · Age 80

1930 – 2017 · Age 87

1899 – 1969 · Age 70

1928 – 2021 · Age 92

1882 – 1943 · Age 61

1917 – 2003 · Age 85

1875 – 1958 · Age 82